Main Entry: trav·er·tine

Pronunciation: \ˈtra-vər-ˌtēn, -tən\

Function: noun

Etymology: French travertin, from Italian travertino, trevertino, from Latin tiburtinus, adjective, of travertine, literally, of Tibur (Tivoli)

Date: 1730

: a mineral consisting of a massive usually layered calcium carbonate (as aragonite or calcite) formed by deposition from spring waters or especially from hot springs